You searched for "Refraction"

2895 results found

Management of restrictive diplopia after ptergium surgery

This single centre retrospective case series included 15 patients with restrictive diplopia after ptergium excision. The mean time from surgery to diplopia was six months and all patients had a moderate limitation of abduction in the operated eye causing an...

IOP and reversibility of RPE detachment

The authors describe how three patients with retinal pigment epithelium (RPE) detachment showed a reduction or disappearance of an RPE detachment immediately following prone dark room test (PDRT). The authors performed spectralis OCT on 140 angle closure subjects before and...

Automated Bruckner device accuracy

The authors developed a Bruckner device, examined volunteers and determined the relation between the luminance of the red fundus reflex and eye rotation. Eye rotation was varied continuously both horizontally (-7 to 8 degrees) and vertically (five degree total range)...

Oriel celebrates breaking ground milestone

A special breaking ground celebration was held on 11 July to mark the start of construction to build Oriel, a new eyecare, research and education centre in Camden.

The ocular manifestations of COVID-19: an overview of current literature

Although respiratory symptoms are the most frequent manifestation of COVID-19, multi-organ involvement has been demonstrated, including ocular manifestations. The author investigates how the eye can be affected. The SARS-CoV-2 virus responsible for the COVID-19 pandemic has presented a significant public...

The Global Vision Database

The overall goal of the Global Vision Database (GVD) [1] is to develop and deploy new and improved evidence on the prevalence of blindness and vision impairment (VI) globally. It is a repository which allows us to assess the causes...

Macular characteristics in unilateral idiopathic FTMH and fellow eyes

This retrospective observational study, conducted at a single site, aimed to compare characteristics of the macular structure and foveal pit in unilateral full-thickness macular hole (FTMH) and healthy fellow eyes. Full-thickness macular holes were further classified into three categories: (1)...

Blind veterans continue hillwalking passion thanks to power of VR

Imagine being a keen hillwalker who loves the outdoors but then being unable to enjoy it because of sight loss. Fortunately, many veterans of the Armed Forces who have visual impairment can climb their favourite mountains again, thanks to Sight Scotland Veterans.

Envision Glasses – A different take on a sight impairment wearable (part 2)

This is the second part of the review of the Envision Glasses (see Part 1 here), a wearable piece of assistive technology. Features From the main menu four feature modes can be chosen: Read, Identify, Find and Call. The Glasses...

General population perceptions of severity of strabismus vs. angle of deviation and gender

The authors investigate whether the potential bias of gender, type of deviation, or size of deviation affected how strabismus was perceived among a general adult population. Eight photos were generated (head shots) of white people aged 25–30 years – purposive...

Retinal traction during ERM peeling

This prospective study aimed to quantify the retinal thickening induced by epiretinal membrane (ERM) peeling and to correlate this thickening with postoperative retinal function. Twenty-five patients who required surgery for idiopathic ERM were included in the study. The authors performed...

Corneal hysteresis: An emerging biomarker in the management of glaucoma

Corneal hysteresis (CH) is gaining recognition as a valuable parameter in the management of glaucoma. Corneal hysteresis is defined as the difference between the inward and outward pressure responses of the cornea during deformation. This measurement reflects the viscoelastic properties...